Cutting attachment for calendering-machines.



CUTTING ATTACHNENT FOR CALENDERING MACHINES.

BUTLER & E. A TiNSMAN.

APPLICATION HLED NOV. 29. I915.

Patented Nov. 6, 1917.

2 SHEETS-*SHEkT l INVENTOR. fDGAHA TJNSMAN EOEER TEUTLJJE m w l m w wli WM/V A TTORNE Y5.

R. BUTLER (1 E A. TINSMAN,

CUHITJG ATTACHMENT FOR CALENDEHING MACHINES.

APPLECAHON FILED N0v.29.1915.

2 SHEETS--SHEET 2.

B y H0551? 71 5/0715 A TTORNE YS.

30351131 BUTLER AND EDGAR A. TINSMAN, F BAEIBEBTON, OHIO.

, CUTTIZG ATTCHMENT FOZiQ, CALENDEBING-MACHINES.

Specification of Lctt'erslatent.

Patented Nova 6, 191%.

Application filed November 29, 1915. Serial No. 64,048.

1 s ecinc tion.

This invention relates to a cutting attachniet for cnlendering machines, and comprises mounting adopted to be fixed upon cnlcndering machine and carrying a series of utte s for cutting the rubber stock into strips of any desired width as passes through and around the celendering rollers.

in the accompanying drawings, Figures 1 and Q ere reduced side and-sectional views, respcctrvely of n colendering machine and inc. 3 and i are enlarged front and plan vs, respectively, oftho cutting attachment apart from the machine. Figs. 5 and still larger views incross section on lines 5-5 and 6 6, respectively, of Fig. 3. cslendering machine shown illustrates pc such machine in use comprising i n Q having three cnlendering rohers, 3, +2 and 5 geared to operate together for celencering ruhher stock .or fabrics. The present conception is to provide a cutter ottochrnent for the culendering machine wherewiv'h the rubber stock can becut into "ips of any desired Width as the rubber.

c through the celendering H12,- i is one of the calendering roll-er onset with the cutting knives. For this purpose t'Wo plates or brackets 6 are holted upon the inner or opposed faces main frame standards *6", and across shaft 8 journnied-nt its ends within said cruel. and prevented from turning or rotating by set screws 9. However, a collar hos ing hundlc 11 is fined upon the shaft 8 to turn same for different settings or. to th cutter. 12 from the Work slto- Ennft extends across the full "Width of the rnzichine parallel with the middle cnlendering roller 4': and closely adjacent thereto, and a series of cutters 12 are detu hohly secured in uniformly spaced relations upon one side of said shaft by means of a hook 13 formed in one edge of the cutter her and transverse slots 1% formed in he cuttinguttuchment mounted thereon.

the shaft to-provide a straddle-rest 15 for each hook. The shaft is also channeled lengthwise to produce the s ruddle-1'ests 15.

Each cutter is slightly widened at its lower or cutting end, and the upper end notched to detaehably hold one end of a coiled spring 16 which is hinged or flexibly connected at its lower end to an angle-bur 17 secured to the shaft. In this Way, each cutter is held under spring tension in Working engagement with the rounded surface of the cnlendering roller 4 and the slot 1 2 for each cutter permits slidable movement of the cutter but no lateral or twisting play. All or any number of the cutters may be employed at one time dependent upon the number of Width of strips to he cut.

The end portions of shaft 8 are round and provided with splines or keys 1% to secure a set of collars 19 slidably in place thereon, and each collar 19 is slotted in part and provided with a cross pin 20 to hook e cutter-bar 13 thereupon in substantially the some Way as upon the shaft, and e coiled spring 21 secured to the cutter and to a set screw provides a substantially similar yielding connection for the cutter as hereinbefore described. This arrangement per mits convenient and accurate adjustment of two end cutters on the shaft therewith to out the rubber stock or sheet to correspond in Width to that of the fabric passing through the machine independently of. or in conjunction With all or any number of cutters mounted upon the central portion of th shaft.

What We claim is:

1. A cutting attachment for calendering machines, av shaft having transverse slots at one side thereof, cutting blades having hooks at their edges to seat within said slots, and a spring connection between saidshaftand the ends of said blades.

2. A cutting attachment for calendering machines having a shaft adapted to be turned and provided with a series of trans verse slots in the side thereof, and a series of parallel cutters removably engaged at their inner edges between their ends in the said slots.

3. A cutting attachment for calendaring machines comprising a shaft having a set of collars mounted for, longitudinal adjustment thereon, in combination with cutters A cutting ttachment for ealenciering machines, comprising a shaft and 21 series of transverse siots in the sicie thereof and integral rests ncrossthe outer portions of said slots, in combination with cutters seated in said slots between i-heir ends and having hooks in their engaged over said rests.

testimony whereof We afiix our sig'nw HUBER/1 BUTLER. EDGAR A. TINSMAN. 

